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Lesson 4. Creating VM Snapshots This lesson discusses creating VM snapshots and covers the following:
Taking a snapshot
Managing multiple snapshots
Snapshots are very useful in that they allow the preservation of the original state of the machine. You can see changes from before and after the snapshot was created. They're very useful if you're about the upgrade or patch a machine or make any configuration changes. If there are any complications, you can go back to the original snapshot and try again. Snapshots also allow the state of a disk and memory to be preserved.